Dog Hair Extracts
Accuracy That Drives Relief
Are your patients still struggling with the distressing symptoms of dog allergies, even after undergoing treatment? The use of lower-concentration extracts can result in false negatives, leaving patients without the much-needed relief from their dog allergies.1 HollisterStier Allergy’s Ultrafiltered (UF) Dog extract provides solutions for your clinic and your patients.
Why Choose Our Ultrafiltered Dog Hair & Dander Extract?
- Better Detection, Optimal Formulation: Our UF Dog extract contains higher levels of Can f 1 compared to conventional 1:20w/v dog extracts, supporting reliable testing and efficacious treatment.1
- Identify More Allergic Patients: When choosing an extract for skin prick testing, the Diagnostic Practice Parameter recommends using the highest concentration available.2,3 Recent studies suggest UF Dog produces more skin test positive reactions with a higher sensitivity for detecting more allergic patients than other dog extracts.4
- Target an Optimal Dose: UF Dog’s higher concentration achieves the Immunotherapy Practice Parameter target maintenance dose of 15ug of Can f 1.4
By choosing Ultrafiltered Dog Hair & Dander extract, you’re choosing recommended concentrations and reliable results.1 Provide your patients with the relief they deserve.
WARNING Important Safety Information (See full prescribing information for complete boxed warning.)
Intended for use only by licensed health care provider experienced in administering allergenic extracts and trained to provide immediate emergency treatment in the event of a life-threatening reaction. Observe patients for at least 30 minutes following administration. Immunotherapy may not be suitable for patients with medical conditions that reduce their ability to withstand a systemic reaction. Allergenic extracts can cause serious systemic reactions, including anaphylactic shock and in rare cases death, especially in patients who have severe or steroid dependent asthma, cardiovascular disease, or in patients who use beta blockers. Do not inject intravenously. This product is intended for subcutaneous injection for immunotherapy and percutaneous use for diagnosis. Refer to contraindications, warnings, precautions, adverse reaction and over dosage for more detailed information.
Formulation Flexibility with UF Dog
Preparing formulations with UF Dog offers specific advantages for your practice and your patients.
- Achieve an optimal dose with a typical injection volume2
- Avoid higher glycerin concentrations, which can be painful upon injection5
- Combine allergens into fewer vials so patients require fewer injections per visit
Switching is Simple
- Identify patients who tolerate their injections well and those with a complicated health history.
Related Products
Request Resources
2Brown, Shannon, and Melissa Austin. “Characterization of commercial dog allergen extracts, including new ultrafiltered dog extract.” Annals of Allergy, Asthma & Immunology 129.5 (2022): S22
3Cox ET AL. Allergen Immunotherapy: A practice parameter third update. The Journal of Allergy and Clinical Immunology, January 2011. DOI: 10.1016/j.jaci.2010.09.034
4Bernstein, I. Leonard, et al. “Allergy diagnostic testing: an updated practice parameter.” Annals of Allergy, Asthma & Immunology 100.3 (2008): S1-S148
5Penrice, Alexander, et al. “Varying Skin Prick Test Reactivity Frequencies across Dog Epithelium, Acetone Precipitated Dog and Dog Ultrafiltered Extracts.” Journal of Allergy and Clinical Immunology 155.2 (2025): AB288
6Van Metre Jr, Thomas E., et al. “Pain and dermal reaction caused by injected glycerin in immunotherapy solutions.” Journal of Allergy and Clinical Immunology 97.5 (1996): 1033-1039.